Service difficulty report · Bearing · Bell 212

Difficulty date
May 10, 2001
Submitted
July 5, 2001
Operation
General aviation
Make and model
Bell 212
Aircraft time
10,428 hours
Engine
Pwa PT6T3
Part
Bearing
Part number
9307U
Condition
Seized
Location
Cargo Hook
Component
Cargo Hook · 52800200
Stage of operation
IN
How discovered
V
Nature of condition
O
Precautionary procedure
K

As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.

What was found

(CAN) DURING AN OPS CHECK IT WAS DISCOVERED THAT THE UPPER HOUSING NR 76 TO LOWER HOUSING NR 100, LOCK NR 79 WAS DISLODGED. FURTHER INVESTIGATION FOUND THAT THE BEARING NR 98 (WHICH ALLOWS THE CARGO HOOK TO ROTATE UNDER LOAD) WAS SEIZED DUE TO CORROSION. THERE ARE SEVERAL POSSIBLE AREAS THAT MOISTURE COULD ENTER THIS AREA. ONE WAS THE MANUAL RELEASE CABLE AND THE SEALANT AROUND IT WAS IN POOR CONDITION. THIS HOLE THROUGH THE UPPER HOUSING IN DETAILED IN THE PICTURE PROVIDED. THE HOOK ASSEMBLY IS BIENG REPLACED. TSO OF HOOK ASSY IS 9 MONTHS..

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